Improvement in stove-grates



H. C.YMARCH.

Stove Grate.

Patented July 29, 1862,

UNITED STATES PATENT OFFICE.

HENRY 0. MARCH, OF LAWRENCEVILLE, PENNSYLVANIA, ASSIGNOR TO HIMSELF AND EDMUND SISLER, OF SAME PLACE.

IMPROVEMENT IN STOVE-GRATES.

Specification forming part of Letters Patent No. 36,055, dated July 29, 1862.

which interfere with the draft and with the proper combustion of the fuel.

In order to enable others skilled in the manufacture of stoves to make and use my inventlon, I will now proceed to describe its construction and operation.

On reference to the accompanying drawings, which form a part of this specification, Figure 1 is a plan view of my improved grate for stoves; Fig. 2, a vertical section, and Fig. 3 a section showing the manner of tilting the grate.

Similar letters refer to similar parts throughout the several views.

A represents the base-plate of an ordinary cylinder-stove, the plate having at the top the usual circular opening, a, for the reception of the grate B. The latter consists in the present instance of four annular bars, 1, 2, 3, and 4, so connected together by radial bars 5 and 6 as to leave the series of openings represented in the plan view, Fig. 1, the grate being provided with projections O, which fit snugly, but so as to turn freely, in recesses in the base. These projections are so situated in respect to the center of the grate that, although the latter can be tilted to the position shown in Fig. 3, its tendency is to assume a horizontal position, in which it is maintained by a projection, d, bearing against the base near the edge of the opening a.

On the under side of the grate isa plate, D, having in the present instance six arms, each arm being provided with two projections, 71 i, and the arms and projections being so arranged that one of the latter shall pass through each of the twelve openings formed in the grate by the annular bars 2, 3, and at and radial bars 5 and 6. The plate D has also a central projection, which passes through a central opening in the grate.

The plate D is retained in its proper vertical position by two lips, 60, cast on or secured to the inside of the base, two of the arms of the plate resting on these lips.

One end of the rod G is connected to projections h h on the under side of the plate D, the opposite end of the rod passing through an oblong opening, m, in front of the base, a'cover, H, being situated in front of this opening, and one end of this cover being hinged to the base A at n.

In the end of the bar G is an oblong opening, and on the under side'of this bar, near the inner end of this opening, is a recess, into which fits the bent end of the lever I, the latter passing through the opening in the bar G and resting on the end of the same, as shown by dotted lines, Fig. 2.

As long as the plate D rests on the lips e e of the base the upper ends of the projections i i are on a level with the upper surface of the grate, and cannot therefore become determined by the action of the fire any more than the grate itself.

WVhen the ashes and cinders have to be cleared from the body of fuel on the grate, the cover H is elevated, so as to expose the opening m in the base, and through this opening and into the opening of the bar G is inserted the bent end of the lever I, which is so locked to the bar G that both may be considered one lever, the fulcrum of which is the lower edge of the opening m in the base A. On depressing the outer end of the lever the plateD is elevated, and its projections z, passing through the openings in the grate, penetrate the fuel, thereby disturbing and looseningthe ashes and cinders. While the plate D is still in an elevated position and its projections i still in the body of the fuel a lateral vibrating motion may be imparted to the lever I, thereby imparting such a motion to the plate D that each of its projections 'i 12 will be moved backward and forward from one end to the other of the opening in the grate through which the pro jection passes.

It will be readily seen without further description that by the combined lateral and ver tical movement of the projections ii of the ver I, when the grate and plate I) will at once assume the position shown in Fig. 3, prior to being restored to theirformer positions by SllIlply pushing back the bar G.

I claim as my invention and desire to secure by Letters Patent 1. lhe grate B, having openings arranged substantially as specified, in combination with the plate D and its projections i, when the said plate is so constructed and arranged that it can receive both a lateral and vertical movement independently of the grate, for the purpose specified.

2. So constructing the grate B and plate-D and so applying both to the base A of the stove that they can be tilted in the manner and for the purpose herein set forth.

3. The bar G, jointed to the plate D and arranged for the reception of the detachable lever I, as and for the purpose specified.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

HENRY 0. MARCH. lVitnesses LEVI RALSTON, WEns'rER K. SE'rsLER. 

